70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
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import logging
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import os
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import sys
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from datetime import datetime
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def run(args=None, options=None, env=None):
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env = os.environ if env is None else env
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start = datetime.now()
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from virtualenv.run import cli_run
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from virtualenv.util.error import ProcessCallFailed
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if args is None:
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args = sys.argv[1:]
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try:
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session = cli_run(args, options, env)
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logging.warning(LogSession(session, start))
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except ProcessCallFailed as exception:
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print(f"subprocess call failed for {exception.cmd} with code {exception.code}")
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print(exception.out, file=sys.stdout, end="")
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print(exception.err, file=sys.stderr, end="")
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raise SystemExit(exception.code)
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class LogSession:
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def __init__(self, session, start):
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self.session = session
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self.start = start
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def __str__(self):
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spec = self.session.creator.interpreter.spec
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elapsed = (datetime.now() - self.start).total_seconds() * 1000
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lines = [
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f"created virtual environment {spec} in {elapsed:.0f}ms",
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f" creator {str(self.session.creator)}",
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]
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if self.session.seeder.enabled:
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lines.append(f" seeder {str(self.session.seeder)}")
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path = self.session.creator.purelib.iterdir()
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packages = sorted("==".join(i.stem.split("-")) for i in path if i.suffix == ".dist-info")
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lines.append(f" added seed packages: {', '.join(packages)}")
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if self.session.activators:
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lines.append(f" activators {','.join(i.__class__.__name__ for i in self.session.activators)}")
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return "\n".join(lines)
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def run_with_catch(args=None, env=None):
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from virtualenv.config.cli.parser import VirtualEnvOptions
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env = os.environ if env is None else env
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options = VirtualEnvOptions()
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try:
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run(args, options, env)
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except (KeyboardInterrupt, SystemExit, Exception) as exception:
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try:
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if getattr(options, "with_traceback", False):
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raise
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else:
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if not (isinstance(exception, SystemExit) and exception.code == 0):
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logging.error("%s: %s", type(exception).__name__, exception)
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code = exception.code if isinstance(exception, SystemExit) else 1
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sys.exit(code)
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finally:
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logging.shutdown() # force flush of log messages before the trace is printed
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if __name__ == "__main__": # pragma: no cov
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run_with_catch() # pragma: no cov
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